Análise do mecanismo de transmissão dos preços internacionais de commodities agrícolas sobre o comportamento da taxa de câmbio real no Brasil

AUTOR(ES)

Margarido, Mario Antonio

DATA DE PUBLICAÇÃO

26/05/2010

RESUMO

This paper examined the transmission mechanism of international prices of agricultural commodities into the real exchange rate in Brazil for the period from January 2000 to February 2010. We used time series models (ARIMA Model, Transfer Model, Intervention Analysis, Johansen Cointegration Test) in determination of the short and long run elasticities. Transfer Function Model results show that changes in international prices of agricultural commodities are transmitted to the real exchange rate in Brazil in the short run, however, that transmission is less than unity, thus configuring the inelastic relationship. Johansen cointegration tests show that these variables are not co-integrated, no longer converge to the long-run equilibrium. These results are in agreement Cashim et al. (2004), which also found no long run relationship between real exchange rate and commodity prices in the case of Brazil. These results show that monetary shocks have greater weight on changes of the real exchange rate than real shocks.

ASSUNTO(S)

real shock, real exchange rate, agricultural commodities, transmission mechanism

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